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Antolinez, F.V.* ; Winkler, J.M.* ; Rohner, P.* ; Kress, S.J.P.* ; Keitel, R.C.* ; Kim, D.K.* ; Marques-Gallego, P.* ; Cui, J. ; Rabouw, F.T.* ; Poulikakos, D.* ; Norris, D.J.*

Defect-tolerant plasmonic elliptical resonators for long-range energy transfer.

ACS Nano 13, 9048-9056 (2019)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Energy transfer allows energy to be moved from one quantum emitter to another. If this process follows the Forster mechanism, efficient transfer requires the emitters to be extremely close (<10 nm). To increase the transfer range, nanophotonic structures have been explored for photon- or plasmon-mediated energy transfer. Here, we fabricate high-quality silver plasmonic resonators to examine long-distance plasmon-mediated energy transfer. Specifically, we design elliptical resonators that allow energy transfer between the foci, which are separated by up to 10 mu m. The geometry of the ellipse guarantees that all plasmons emitted from one focus are collected and channeled through different paths to the other focus. Thus, energy can be transferred even if a micrometer-sized defect obstructs the direct path between the focal points. We characterize the spectral and spatial profiles of the resonator modes and show that these can be used to transfer energy between green- and red-emitting colloidal quantum dots printed with subwavelength accuracy using electrohydrodynamic nanodripping. Rate-equation modeling of the time-resolved fluorescence from the quantum dots further confirms the long-distance energy transfer.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Energy Transfer ; Colloidal Quantum Dots ; Surface Plasmon Polaritons ; Elliptical Resonator ; Plasmonics ; Electrohydrodynamic Printing; Quantum Dots; Transport; Nanowires; Emitters
Sprache englisch
Veröffentlichungsjahr 2019
HGF-Berichtsjahr 2019
ISSN (print) / ISBN 1936-0851
e-ISSN 1936-086X
Zeitschrift ACS Nano
Quellenangaben Band: 13, Heft: 8, Seiten: 9048-9056 Artikelnummer: , Supplement: ,
Verlag American Chemical Society (ACS)
Verlagsort 1155 16th St, Nw, Washington, Dc 20036 Usa
Begutachtungsstatus Peer reviewed
Institut(e) Helmholtz Pioneer Campus (HPC)
POF Topic(s) 30205 - Bioengineering and Digital Health
Forschungsfeld(er) Pioneer Campus
PSP-Element(e) G-510006-001
DOI 10.1021/acsnano.9603201
WOS ID WOS:000484077800054
Erfassungsdatum 2019-10-07
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